1215204030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{25621}}^1$

素因数の和:25682

約数の個数: 96

約数和(自身を含む): 3453435648

約数和(自身を除く): 2238231618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 31, 34, 45, 51, 62, 85, 90, 93, 102, 153, 155, 170, 186, 255, 279, 306, 310, 465, 510, 527, 558, 765, 930, 1054, 1395, 1530, 1581, 2635, 2790, 3162, 4743, 5270, 7905, 9486, 15810, 23715, 25621, 47430, 51242, 76863, 128105, 153726, 230589, 256210, 384315, 435557, 461178, 768630, 794251, 871114, 1152945, 1306671, 1588502, 2177785, 2305890, 2382753, 2613342, 3920013, 3971255, 4355570, 4765506, 6533355, 7148259, 7840026, 7942510, 11913765, 13066710, 13502267, 14296518, 19600065, 23827530, 27004534, 35741295, 39200130, 40506801, 67511335, 71482590, 81013602, 121520403, 135022670, 202534005, 243040806, 405068010, 607602015, 1215204030]

約数ペア:

[(1, 1215204030), (2, 607602015), (3, 405068010), (5, 243040806), (6, 202534005), (9, 135022670), (10, 121520403), (15, 81013602), (17, 71482590), (18, 67511335), (30, 40506801), (31, 39200130), (34, 35741295), (45, 27004534), (51, 23827530), (62, 19600065), (85, 14296518), (90, 13502267), (93, 13066710), (102, 11913765), (153, 7942510), (155, 7840026), (170, 7148259), (186, 6533355), (255, 4765506), (279, 4355570), (306, 3971255), (310, 3920013), (465, 2613342), (510, 2382753), (527, 2305890), (558, 2177785), (765, 1588502), (930, 1306671), (1054, 1152945), (1395, 871114), (1530, 794251), (1581, 768630), (2635, 461178), (2790, 435557), (3162, 384315), (4743, 256210), (5270, 230589), (7905, 153726), (9486, 128105), (15810, 76863), (23715, 51242), (25621, 47430)]